Telecom and scintillation first data analysis for DOMINO: laser communication between SOTA, onboard SOCRATES satellite, and MEO optical ground station

D.-H. Phung; E. Samain; N. Maurice; D. Albanesse; H. Mariey; M. Aimar; G. M. Lagarde; G. Artaud; J.-L. Issler; N. Vedrenne; M.-T. Velluet; M. Toyoshima; M. Akioka; D. Kolev; Y. Munemasa; H. Takenaka; N. Iwakiri

doi:10.1117/12.2218524

15 March 2016 Telecom and scintillation first data analysis for DOMINO: laser communication between SOTA, onboard SOCRATES satellite, and MEO optical ground station

D.-H. Phung, E. Samain, N. Maurice, D. Albanesse, H. Mariey, M. Aimar, G. M. Lagarde, G. Artaud, J.-L. Issler, N. Vedrenne, M.-T. Velluet, M. Toyoshima, M. Akioka, D. Kolev, Y. Munemasa, H. Takenaka, N. Iwakiri

Author Affiliations +

Proceedings Volume 9739, Free-Space Laser Communication and Atmospheric Propagation XXVIII; 973909 (2016) https://doi.org/10.1117/12.2218524
Event: SPIE LASE, 2016, San Francisco, California, United States

Abstract

In collaboration between CNES, NICT, Geoazur, the first successful lasercom link between the micro-satellite SOCRATES and an OGS in Europe has been established. This paper presents some results of telecom and scintillation first data analysis for 4 successful links in June & July 2015 between SOTA terminal and MEO optical ground station (OGS) at Caussols France. The telecom and scintillation data have been continuously recorded during the passes by using a detector developed at the laboratory. An irradiance of 190 nW/m² and 430 nW/m²has been detected for 1549 nm and 976 nm downlinks at 35° elevation. Spectrums of power fluctuation measured at OGS are analyzed at different elevation angles and at different diameters of telescope aperture to determine fluctuations caused by pointing error (due to satellite & OGS telescope vibrations) and caused by atmospheric turbulence. Downlink & Uplink budgets are analyzed, the theoretical estimation matches well to measured power levels. Telecom signal forms and bit error rates (BER) of 1549 nm and 976 nm downlink are also shown at different diameters of telescope aperture. BER is 'Error Free' with full-aperture 1.5m telescope, and almost in ‘good channel’ with 0.4 m sub-aperture of telescope. We also show the comparison between the expected and measured BER distributions.

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D.-H. Phung, E. Samain, N. Maurice, D. Albanesse, H. Mariey, M. Aimar, G. M. Lagarde, G. Artaud, J.-L. Issler, N. Vedrenne, M.-T. Velluet, M. Toyoshima, M. Akioka, D. Kolev, Y. Munemasa, H. Takenaka, and N. Iwakiri "Telecom and scintillation first data analysis for DOMINO: laser communication between SOTA, onboard SOCRATES satellite, and MEO optical ground station", Proc. SPIE 9739, Free-Space Laser Communication and Atmospheric Propagation XXVIII, 973909 (15 March 2016); https://doi.org/10.1117/12.2218524

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